1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2023 Arm Ltd 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 #include <sys/types.h> 30 #include <sys/systm.h> 31 #include <sys/bus.h> 32 33 #include "vgic.h" 34 #include "vgic_if.h" 35 36 device_t vgic_dev; 37 38 bool 39 vgic_present(void) 40 { 41 return (vgic_dev != NULL); 42 } 43 44 void 45 vgic_init(void) 46 { 47 VGIC_INIT(vgic_dev); 48 } 49 50 int 51 vgic_attach_to_vm(struct hyp *hyp, struct vm_vgic_descr *descr) 52 { 53 return (VGIC_ATTACH_TO_VM(vgic_dev, hyp, descr)); 54 } 55 56 void 57 vgic_detach_from_vm(struct hyp *hyp) 58 { 59 VGIC_DETACH_FROM_VM(vgic_dev, hyp); 60 } 61 62 void 63 vgic_vminit(struct hyp *hyp) 64 { 65 VGIC_VMINIT(vgic_dev, hyp); 66 } 67 68 void 69 vgic_cpuinit(struct hypctx *hypctx) 70 { 71 VGIC_CPUINIT(vgic_dev, hypctx); 72 } 73 74 void 75 vgic_cpucleanup(struct hypctx *hypctx) 76 { 77 VGIC_CPUCLEANUP(vgic_dev, hypctx); 78 } 79 80 void 81 vgic_vmcleanup(struct hyp *hyp) 82 { 83 VGIC_VMCLEANUP(vgic_dev, hyp); 84 } 85 86 int 87 vgic_max_cpu_count(struct hyp *hyp) 88 { 89 return (VGIC_MAX_CPU_COUNT(vgic_dev, hyp)); 90 } 91 92 bool 93 vgic_has_pending_irq(struct hypctx *hypctx) 94 { 95 return (VGIC_HAS_PENDING_IRQ(vgic_dev, hypctx)); 96 } 97 98 /* TODO: vcpuid -> hypctx ? */ 99 /* TODO: Add a vgic interface */ 100 int 101 vgic_inject_irq(struct hyp *hyp, int vcpuid, uint32_t irqid, bool level) 102 { 103 return (VGIC_INJECT_IRQ(vgic_dev, hyp, vcpuid, irqid, level)); 104 } 105 106 int 107 vgic_inject_msi(struct hyp *hyp, uint64_t msg, uint64_t addr) 108 { 109 return (VGIC_INJECT_MSI(vgic_dev, hyp, msg, addr)); 110 } 111 112 void 113 vgic_flush_hwstate(struct hypctx *hypctx) 114 { 115 VGIC_FLUSH_HWSTATE(vgic_dev, hypctx); 116 } 117 118 void 119 vgic_sync_hwstate(struct hypctx *hypctx) 120 { 121 VGIC_SYNC_HWSTATE(vgic_dev, hypctx); 122 } 123